exclude all non-platform modules

[htgoebel]

Both remove modules not used for the target platform. hook-os removes some more, while hook-iu differs between more platform.

[htgoebel]

Rethinking the topic, this should exclude all non-platform modules, not only in hook-iu and hook-os.

[htgoebel]

I would like to add code like this to mf.py:

PLATFORM_REMOVES = set([
    'ce',
    'dos', 'dospath',
    'mac', 'macpath', 'macurl2path',
    'nt', 'ntpath', 'nturl2path',
    'os2', 'os2emxpath',
    'posix', 'posixpath',
    'riscos', 'riscosenviron','riscospath',
    'win32api'])

names = sys.builtin_module_names
if 'posix' in names:
    PLATFORM_REMOVES -= set('posix', 'posixpath')
elif 'nt' in names:
    PLATFORM_REMOVES -= set(['nt', 'ntpath', 'nturl2path', 'win32api'])
elif 'os2' in names:
    PLATFORM_REMOVES -= set(['os2', 'os2emxpath'])
elif 'dos' in names:
    PLATFORM_REMOVES -= set(['dos', 'dospath'])
elif 'mac' in names:
    PLATFORM_REMOVES -= set(['mac', 'macpath', 'macurl2path'])

pprint(PLATFORM_REMOVES)

What do you think?

[htgoebel]

On the other had: Is this needed at all? This should only suppress warnings, since modules for a different platform are not available anyway.

[htgoebel]

This would be really useful: As soon as os is imported, this will add posix, posixpath, os2emxpath, _emx_link, ntpath, nt and probably some others.